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The U.S. wind industry now totals 46,919 MW of cumulative wind capacity through the end of 2011.

Mutant cellulose yields biofuel more easily

Lignocellulosic biofuels are predicted by oil industry body CONCAWE [1] to reduce greenhouse gas emissions by around 90% when compared with fossil petroleum, in contrast first generation biofuels were found to offer savings of 20-70%

Appliances like television sets can also be powered by portable fuel cells. This is a 100-Watt portable Ballard® fuel cell demonstration unit powering a television and VCR combo

Honda Motor Company's hydrogen-fueled FCX fuel cell vehicle is now in the hands of customers. The FCX, powered by Ballard's latest generation Mark 902 fuel cell, seats four, has a range of 170 miles (270km) and can reach speeds of 93 mph (150km/h). Having made its commercial debut in December 2002, Honda is leasing five FCX vehicles to the City of Los Angeles and will market others by lease arrangement to customers in the Tokyo Metropolitan Area. Over the next two to three years, Honda plans to lease about 30 FCX cars in Japan and California.

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It is plenty in nature although it doesn’t occur freely but in association with other compounds.

It does not produce greenhouse gases that are damaging to the surroundings.

The hydrogen fuel cell operates similar to a battery. It has two electrodes, an anode and a cathode, separated by a membrane. Oxygen passes over one electrode and hydrogen over the other. The hydrogen reacts to a catalyst on the electrode anode that converts the hydrogen gas into negatively charged electrons (e-) and positively charged ions (H+).

Biofuels or biodiesels are fuels that are, in essence, biodegradable and non-toxic. They are manufactured from vegetable oils, waste cooking oils, animal fats or tall oil (a by-product of the pulp and paper industry).

Think of them as big batteries, but ones that only operate when fuel—in this case, pure hydrogen—is supplied to them.

Hydrogen is a highly flammable chemical element which occurs in great abundance throughout the universe. In fact, hydrogen makes up approximately 75% of the universe, by volume, and it appears in a very large number of compounds, especially those which make up various organic materials.

Price projections vary among fuel cell developers, but most are targeting costs below $1,500/kW

Maintenance costs of a fuel cell are expected to be comparable to that of a microturbine, ranging from $0.005-$0.010/kWh (based on an annual inspection visit to the unit).

At the current price, units are only used in high value, "niche" markets where reliability is premium, and in areas where electricity prices are very high and natural gas prices are low.

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